Jeep Engines - Oljeep

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T - ~ r i4.7L POWER TECH V-8 351TORADIATORRH CY1HEADIFigure 6 - 10ICooling System Capacity4.7L 12.3 liters (13.0 quarts)** Includes 2.2 liters (2.3 quarts) for coolant recovery bottle.FANSHROUDFigure 6 - 11COOLING FANCONNECTOR80b8991eCooling System ComponentsThe cooling system consists of:000000000000RadiatorMechanical cooling fanThermal viscous fan drive-Low disengagedFan shroudRadiator pressure capThermostatCoolant reserve/oveflow systemTransmission oil cooler (if auto. trans. equipped)CoolantWater pumpHoses and hose clampsAccessory drive belt
352 MOPAR PERFORMANCE PARTSWater Pump Bypass(Refer to Figure 6- 12.)The 4.7L engine uses an internal water/coolant bypasssystem. The design uses galleries in the timing chain coverto circulate coolant during engine warm-up, preventingcoolant from flowing through the radiator. The thermostatuses a stub shaft located at the rear of the thermostat tocontrol flow through the bypass galley. When thethermostat is in the closed position, the bypass galley is notobstructed allowing 100% flow. When the thermostat is inthe open position, the stub shaft enters the bypass galleyobstructing bypass coolant flow by 50%. This designallows the coolant to reach operating temperature quicklywhen cold, while adding extra cooling during normaltemperature operati on.THERMOSTATSHOWN INTHE CLOSEDPOSITIONFigure 6 - 12FROMHEATERCoolant Reservoir/Overflow SystemThis system works along with the radiator pressure cap. Thisis done by using thermal expansion and contraction of thecoolant to keep the coolant free of trapped air. It provides:A volume for coolant expansion and contraction.A convenient and safe method for checkinghdjustingcoolant level at atmospheric pressure. This is donewithout removing the radiator pressure cap.Some reserve coolant to the radiator to cover minorleaks and evaporation or boiling losses.As the engine cools, a vacuum is formed in the coolingsystem of both the radiator and engine. Coolant will then bedrawn from the coolant tank and returned to a proper levelin the radiator.The coolant reservoir/overflow system has a radiatormounted pressurized cap, an overflow tube and a plasticcoolant reservoir/overflow tank.Accessory Drive Belt TensionCorrect drive belt tension is required to ensure optimumperformance of the belt driven engine accessories. Ifspecified tension is not maintained, belt slippage may causeengine overheating, lack of power steering assist, loss of airconditioning capacity, reduced generator output rate, and/orgreatly reduced belt life.It i:s not necessary to adjust belt tension on 4.7L engines.These engines are equipped with an automatic belttensioner. The tensioner maintains correct belt tension at alltimes. Due to use of this belt tensioner, DO NOT attempt touse a belt tension gauge on 4.7L engines.Thermostat(Refer to Figure 6-13.)A pellet-type thermostat controls the operating temperatureof the engine by controlling the amount of coolant flow tothe radiator (Figure 6-12). The thermostat is closed belowI95'"F (9OOC). Above this temperature, coolant is allowedto flow to the radiator. This provides quick engine warm upand overall temperature control. The thermostat is designedto block the flow of the coolant bypass journal by 50%instead of completely blocking the flow. This designcontrols coolant temperature more accurately.An arrow, plus the word UP is stamped on the front flangenext to the air bleed. The words TO RAD are stamped onone arm of the thermostat. They indicate the properinstalled position.The same thermostat is used for winter and summer seasons.An engine should not be operated without a thermostat,except for servicing or testing. Operating without athermostat causes other problems. These include longerengine warm-up time, unreliable warm-up performance,increased exhaust emissions, and crankcase condensation.Crankcase condensation can result in sludge formation.The most common type of thermostat failure, usually foundon high mileage vehicles, is a thermostat failed in the shutposition. The temperature gauge (if equipped) will give anindication of this condition. Depending upon length of timethat vehicle is operated, the pressure cap may vent. Thiswill expel steam and coolant to coolant reserve/overflowtank and surface (ground) below vehicle.
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--Part Number: P5007161$30.00,
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AcknowledgementsThe information pre
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CONTENTSiContentsIntroductionWELCOM
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CONTENTSiiiIgnition SystemTHROTTLE
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CONTENTSVCOMPRESSION RATIO ........
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CONTENTSviiThrottle Body ..........
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CONTENTSixPiston and Connecting Rod
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CONTENTSxiEXHAUST SYSTEM ..........
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CONTENTSxiiiSSI IGNITION COMPONENTS
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Introduction
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INTRODUCTION 3IntroductionWELCOMEWe
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Chapter 1Jeep History
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JEEP HISTORY 7Jeep HistoryThe Jeep
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JEEP HISTORY 9A Jeep By Any Other N
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JEEP HISTORY 11Perhaps one of the m
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JEEP HISTORY 131953 Jeep CJ-3BKaise
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JEEP HISTORY 15Birth of the Sport U
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-r -1 r7JEEP HISTORY 17The Wagoneer
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JEEP HISTORY 19Interior appointment
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JEEP HISTORY 21Chrysler Corporation
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JEEP HISTORY 231994 Jeep Grand Cher
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Chapter 22.5L Power Tech In=Line 4
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~~2.5L POWER TECH IN-LINE 4 (INTROD
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Flywheel Attaching PackageBolts req
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~T --TriINTRODUCTIONThe 2.5L engine
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2.5L POWER TECH IN-LINE 4 (CRANKSHA
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UPPERSHOCKI2.5L POWER TECH IN-LINE
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INTRODUCTIONThe 2.5L engine uses a
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2.5L POWER TECH IN-LINE 4 (CYLINDER
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CAMSHAFT2.5L POWER TECH IN-LINE 4 (
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2.5L POWER TECH IN-LINE 4 (OILING S
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-7-2.5L POWER TECH IN-LINE 4 (FUEL
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~~~ ~~ ~~~2.5L POWER TECH IN-LINE 4
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~ Exhaust2.5L POWER TECH IN-LINE 4
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~~~2.5L POWER TECH IN-LINE 4 (ENGIN
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Chapter 32.46L In-Line 4
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T- T - T2.46L IN-LINE 4 (BLOCK) 103
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INTRODUCTIONThe Jeep 2.46L (258 CID
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2.46L IN-LINE 4 (CRANKSHAFT) 1072.3
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PISTON AND CONNECTING ROD ASSEMBLYT
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Pistons and Rings2.46L IN-LINE 4 (P
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2.46L IN-LINE 4 (CYLINDER HEAD) 115
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2.46L IN-LINE 4 (CAMSHAFT AND VALVE
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Engine Assembly2.46L IN-LINE 4 (ENG
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Chapter 44.0L Power Tech ln=Line 6
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4.OL POWER TECH IN-LINE 6 (INTRODUC
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4.0L POWER TECH IN-LINE 6 (BLOCK) 1
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~~INTRODUCTIONThe 4.0L engine uses
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T - T 74.0L POWER TECH IN-LINE 6 (C
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4.0L POWER TECH IN-LINE 6 (INDUCTIO
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T - T TINTRODUCTIONThe fuel deliver
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- -'7INTRODUCTIONThe starting syste
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T - T 7Chapter 54.2L In=Line 6
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4.2L IN-LINE 6 (BLOCK) 285Disassemb
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4.2L IN-LINE 6 (CRANKSHAFT) 287Insp
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4.2L IN-LINE 6 (CRANKSHAFT) 2915. R
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4.2L IN-LINE 6 (CYLINDER HEAD) 299R
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Page 372 and 373: 4.7L POWER TECH V-8 353Figure 6 - 1
Page 374 and 375: 4.7L POWER TECH V-8 3551. NoiseNote
Page 376 and 377: 4.7L POWER TECH V-8 357Starter Rela
Page 378 and 379: 4.7L POWER TECH V-8 359Fuel return
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Page 388 and 389: T -114.7L POWER TECH V-8 369Inspect
Page 390 and 391: 4.7L POWER TECH V-8 371DESCRIPTIONV
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Page 394 and 395: 360 AMC V-8 (INTRODUCTION) 375Note:
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Page 398 and 399: -r -TTT360 AMC V-8 (BLOCK) 379Plast
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Page 402 and 403: 360 AMC V-8 (CRANKSHAFT) 3836. Remo
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360 AMC V-8 (OILING SYSTEM) 407IFro
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360 AMC V-8 (OILING SYSTEM) 409Test
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~~~360 AMC V-8 (OILING SYSTEM) 41 1
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INTRODUCTIONThe AMC 360 V-8 has a l
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360 AMC V-8 (INDUCTION SYSTEM) 415F
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360 AMC V-8 (INDUCTION SYSTEM) 417A
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360 AMC V-8 (INDUCTION SYSTEM) 419~
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T -1[-7FUEL PUMPSThe fuel pumps of
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360 AMC V-8 (FUEL DELIVERY SYSTEM)
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~Ignition System360 AMC V-8 (IGNITI
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360 AMC V-8 (IGNITION SYSTEM) 427Th
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360 AMC V-8 (IGNITION SYSTEM) 4292.
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360 AMC V-8 (IGNITION SYSTEM) 431Va
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360 AMC V-8 (IGNITION SYSTEM) 433VO
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T - T IENGINE ASSEMBLY360 AMC V-8 (
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360 AMC V-8 (ENGINE ASSEMBLY) 439V-
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360 AMC V-8 (ENGINE ASSEMBLY) 447Ro
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Chapter 8Off- Roading and Racing
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OFF-ROAD DRIVINGOff-Roading and Rac
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OFF-ROADING AND RACING 4534. Tracti
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OFF-ROADING AND RACING 45510. Wilde
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OFF-ROADING AND RACING 457Sunday Mo
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OFF-ROADING AND RACING 45910. Can m
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.. .OFF-ROADING AND RACING 4611. Of
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OFF-ROADING AND RACING 4634. Water
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OFF-ROADING AND RACING 465As far as
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OFF-ROADING AND RACING 4671. Maga,.
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OFF-ROADING AND RACING 469Mopar has
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OFF-ROADING AND RACING 471Always re
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T -7-7OFF-ROADING AND RACING 4732.
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OFF-ROADING AND RACING 475Driveshaf
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OFF-ROADING AND RACING 477DRAG RACI
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OFF-ROADING AND RACING 479At this p
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OFF-ROADING AND RACING 481Does the
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OFF-ROADING AND RACING 483Stage IIE
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OFF-ROADING AND RACING 485RS5000 Ce
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OFF-ROADING AND RACING 487General P
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I- - 7 1OFF-ROADING AND RACING 489M
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~~OFF-ROADING AND RACING 491Sportsw
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Chapeer 9Additional Infomationl- -
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ADDTIONAL INFORMATION 495TorqueQuar
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ADDTIONAL INFORMATION 497METRIC TO
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Jeep Engines - Oljeep

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